Gebruiksaanwijzing /service van het product Part #470655 van de fabrikant Greenheck Fan
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Installation, Operation and Maintenance Manual Please read and save these instructions for futur e refer ence. Read carefully befor e attempting to assemble, install, operate or maintain the product described. Pr otect yourself and others by observing all safety information.
2 DGX Industrial Space Heating The unit should be stored at least 3½ in. (89 mm) of f the floor on wooden blocks covered with moistur e proof paper or polyethylene sheathing. Aisles between parts and along all walls should be provided to permit air circulation and space for inspection.
3 DGX Industrial Space Heating T able of Contents Installation Clearance to Combustibles/Service Clearances .. 3 Indoor Unit ............................... 4 Unit Arrangement DB / HZ ................... 5 Diffuser .................................. 6 Remote Panel (TSCP) .
4 DGX Industrial Space Heating Installation of Indoor Unit 3. Seal W all Opening Apply sealant around the perimeter of the weatherhood to prevent water penetration and drafts into the building. 1. Install Hangers Install threaded hangers fr om ceiling supports.
5 DGX Industrial Space Heating Installation of Arrangement DB / HZ 1. Install Curb and/or Equipment Support(s) Position curb/equipment support(s) on the roof (refer ence the CAPS submittal for placement of curb/ equipment support(s) in relation to the unit).
6 DGX Industrial Space Heating Installation of Dif fuser and Remote Panel (TSCP) NOTE The location of the discharge diffuser and the TSCP Space Heat Remote Panel are critical for optimum performance of the Greenheat™ System.
7 DGX Industrial Space Heating Installation of Electrical W iring IMPORTANT Before connecting power to the unit, read and understand the following instructions and wiring diagrams. Complete wiring diagrams are attached on the inside of the control center door(s).
8 DGX Industrial Space Heating Installation of Gas Piping IMPORTANT All gas piping must be installed in accordance with the latest edition of the National Fuel Gas Code ANSI/Z223.
9 DGX Industrial Space Heating Optional V ent Line WARNING NEVER test for a gas leak with an open flame. NOTE The factory piping has been checked for leaks, but should be rechecked due to shipping and installation. 4. Pipe the Optional V ent Line If an optional vent line is located between the safety shutoff valves it must be piped to the outdoors.
10 DGX Industrial Space Heating 2. Check the Blower Rotation Open the blower access door and run the blower momentarily to determine the rotation. Arr ows are placed on the blower scroll to indicate the pr oper direction or r eference the example shown.
11 DGX Industrial Space Heating Start-Up Dir ect Gas IMPORTANT For proper unit function and safety, follow the start-up procedure in the exact order that it is presented. IMPORTANT This start-up should begin after all of the installation procedures and the blower start-up have been completed.
12 DGX Industrial Space Heating 5. Set the Low Fire Time Delay Set the low fire time delay to 75% of its maximum setting. See below for location of the time delay setting.
13 DGX Industrial Space Heating Start-Up Dir ect Gas continued IMPORTANT Setting the maximum firing rate during mild weather conditions may cause the high limit to trip out during extreme conditions requiring manual resetting. NOTE The minimum setting for the maximum firing rate may be higher than required.
14 DGX Industrial Space Heating 10. Program the 7 Day Time Clock Follow the detailed Programming and Operating Instructions for 7 Day Time Clock that shipped with the unit. Set the timer ON times to the times when the daytime temperature setting is to be used.
15 DGX Industrial Space Heating • PowerpassesthroughN.O.contactonfanr elay (RF), which is ener gized and closed • Powerpassestoandener gizestheheatrelay(RH) • PowerpassesthroughN.
16 DGX Industrial Space Heating Operation - Electrical Sequence W ith 7-Day Timer 1. Switch (S2) in Summer Mode • PowerpassesthroughN.C.eld-suppliedr e contact (FSC) • PowerpassesthroughterminalG • PowerpassesthroughN.
17 DGX Industrial Space Heating Proper supply power at main disconnect Check Main Voltage (See Blower Start-Up – Step #1) Main Disconnect (DS1) Off (T urn Main Disconnect DS1 On) Primary Fuses Blown.
18 DGX Industrial Space Heating Motor Overamps T roubleshooting Air volume too high? Adjust drives or increase external static pressur e as needed. (Reference Blower Start-Up – Step #5) Motor horsepower too low? Resize motor . Motor voltage correct? Provide pr oper power supply .
19 DGX Industrial Space Heating Insufficient Airflow T roubleshooting Damper(s) not fully opened? Adjust damper linkage(s), or replace faulty actuator(s). (Damper actuators may take a few minutes to open) Filters dirty or clogged? Clean or replace filters.
20 DGX Industrial Space Heating Excessive Noise or Vibration T roubleshooting Sheaves aligned? Align sheaves. (Reference V -Belt Drives in the Maintenance section) Wheel(s) unbalanced? Clean and/or balance wheel(s). Belts worn or loose? Replace worn belts or tighten loose belts.
21 DGX Industrial Space Heating Heater Does Not Operate Does not attempt to light (No visible spark) T roubleshooting 24V ACbetween terminals W1 and X? Heat Switch (S4) Off (T urn Heat Switch.
22 DGX Industrial Space Heating Heater Does Not Operate Attempts to light, but no pilot (visible spark) T roubleshooting Gas pressur e between the minimum and maximum shown on the direct gas label? Check inlet gas pressur e.
23 DGX Industrial Space Heating Heater Does Not Operate Visible pilot T roubleshooting Flame signal greater than1.25VDC Measure the flame signal when there is a visible pilot Pressur e drop acr oss the burner between 0.
24 DGX Industrial Space Heating Maintenance - Routine CAUTION Lock-out the gas and the electrical power to the unit before performing any maintenance or service operations to this unit. V -Belt Drives V -belt drives must be checked on a regular basis for wear , tension, alignment, and dirt accumulation.
25 DGX Industrial Space Heating Bearings The bearings for manufacturer fans ar e carefully selected to match the maximum load and operating conditions of the specific class, arrangement and fan size. The instructions provided in this manual and those provided by the bearing manufactur er will minimize any bearing problems.
26 DGX Industrial Space Heating Maintenance - Fall WARNING Do not enlarge burner ports when clearing a blockage, performance could be affected. NOTE Flame rods can last many years, but because of thermal expansion of the porcelain, flame rods can fail over time.
27 DGX Industrial Space Heating Refer ence T ypical Gas T rain Layout 400 – 800 MBH T ypical Gas T rain Layout > 800 MBH Burner Differential Pressur e Sensor High Gas Pressur e Switch (optional) .
28 DGX Industrial Space Heating T ypical Control Center Layout Dirty Filter Switch Refer ence 7 15 14 12 13 4 1 6 2 3 5 8 9 10 11 1. Supply Motor Starter — 24 volt magnetic contacts for starting supply motor . 2. Supply Overload — pr ovides electronic overload protection to supply motor .
29 DGX Industrial Space Heating Start-Up Checklist Unit Model Number _______________________________ (e.g. DGX-120-GH100-1600) Unit Serial Number ________________________________ (e.
30 DGX Industrial Space Heating Maintenance Log Date ___________________Time _____________ AM/PM Notes: ___________________________________________ _________________________________________________ __.
31 DGX Industrial Space Heating Maintenance Log Date ___________________Time _____________ AM/PM Notes: ___________________________________________ _________________________________________________ __.
32 470655 • DGX Industrial Space Heating, Rev . 3, August 2012 Copyright 2012 © Greenheck Fan Corporation Greenheckwarrantsthisequipmenttobefreefromdefectsinmaterialandworkmanshipforaperiodofoneyearfromthe shipment date.
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