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GWH-635-ES manual
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Contents
Main
Water heaters for use with Natural and L.P.G.
GWH-635-ES
GWH-635-ES-N GWH-635-ES-L
Index
1Warning
Page
2 Appliance details
2.1 Features
2.2 GWH-635-ES Specifications (Technical data)
Page
2.3 Dimensions and Minimum installation clearances
2.4 General rules to follow for safe operation
2.5 Proper location for installing your heater
2.6 Clearances
2.7 Mounting installation
2.8 Combustion air requirements
2.9 Venting
Appliance details
Table 2
Page
Page
Appliance details
Recommended exhaust vent terminator position
Table 3
Fig. 16
Ref. Description Minimum distance
Page
2.10
Gas piping & connections
Page
2.11 Gas line sizing
2.12 Measuring gas pressure
2.13 Water connections
2.14 Electrical connections
2.15 Operating instructions
2.16 For your safety read before operating your water heater
2.17 Lighting and operating instructions
Page
3 Operation instructions
3.1 Power
3.2 Temperature selection
Page
3.3 Use of remote control accessory
3.4 Operation
3.5 Reset button
3.6 Program button
3.7 Locked condition
4 Maintenance and service
5 Troubleshooting
Page
Troubleshooting Display Cause Solution
9
Table 5 * By installer or service technician only.
Electrical diagram
6 Electrical diagram
Fig. 36 Electrical scheme
Page
8 Interior components diagram and parts list
8.1 Interior components
Page
Interior components diagram and parts list
8.3 Parts list
Table 6
Item Description Reference
9 Special adjustment for measuring and adjusting CO
levels
9.1 Adjusting the unit
Page
10 Protecting the environment
11 Fifteen Year Limited Warranty