Rheem W2W Series Owner's Manual And Installation Instructions page 54

Commercial water to water heat pump water heater
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CONNECTIONS - ELECTRICAL
E. Alarm History – will display up to 150 alarm events and then will overwrite
oldest event. Alarms can be cleared by pressing the 'Alarm Bell' key.
F. Service – password: 0022
a.
Change display (do not use)
Information – software version information
b.
c.
Summer/Winter (not applicable to this product)
d.
Working Hours:
e.
BMS configuration (will time out after 5 minutes if no buttons
pressed)
Address: 1
Protocol: CAREL
Speed: 19200
(Change the protocol if Modbus/BACnet is used as required)
i.
Circ. Pump / reset counter
ii.
Compressor 1 / reset counter
iii.
Outdoor Fan 1 / reset counter
54

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