Accessories - Rheem RGPH Installation Instructions Manual

FIGURE 18
LINE VOLTAGE CONNECTIONS
HONEYWELL S9201E2001, UTEC 1012-920 AND WHITE RODGERS 50A62-
101 CONTROL BOARD
UTEC 1012-925 CONTROL BOARD
FIELD INSTALLED OPTION

ACCESSORIES

ELECTRONIC AIR CLEANER
1. Electronic air cleaner line voltage
power can be supplied from the
screw terminal "EAC" and a line
voltage neutral screw terminal on
the control board. See Figure 18.
This will power the electronic air
cleaner whenever the circulating air
blower is in operation.
HUMIDIFIER
2. Humidifier line voltage power can be
supplied from screw terminal "HUM"
to a line voltage neutral screw
terminal on the control board. See
Figure 18. This will power the
humidifier whenever the burner is on
and the circulating air blower is
operating in the heating mode.
NOTE: Maximum current –1.0 amps
for each option.
FURNACE TWINNING
INSTALLATIONS
IMPORTANT: TWINNING OF RGDJ,
RGPJ, RGLJ AND RGVJ UNITS
REQUIRES AN ACCESSORY
TWINNING KIT. REFER TO THE
SPECIFICATION SHEET FOR
PROPER KIT. DO NOT ATTEMPT TO
TWIN THESE MODELS BY USING
THE INSTRUCTIONS BELOW.
Twinning operation of two furnaces,
installed side-by-side, connected by a
common duct system with main power
supplied by the same source, and
controlled by a common thermostat can
be done with the Honeywell
S9201E2001, UTEC 1012-920 or White
Rodgers 50A62-101 integrated control
boards.
The "OK" LED will flash if twinning is
not set up properly.
HONEYWELL S9201E2001
CONTROL BOARD
1. Single Stage Operation
(See Figure 19)
a. Control board "ONE" is
connected to the thermostat.
b. Remove the jumper between
the "XMIT" and "RCV"
terminals.
c. Connect wire from "XMIT"
terminal of board "ONE" to
"RCV" terminal of board "TWO."
d. Connect wire from "RCV"
terminal of board "ONE" to
"XMIT" terminal of board
"TWO."
e. Connect wire between the
grounds.
f. Connect wire between the two
"W" thermostat terminals.
2. Two Stage Operation
(See Figure 20)
I677
a. Repeat steps a, b, c, d and e
above.
b. Connect "W1" of thermostat to
"W" on control board "ONE".
c. Connect "W2" of thermostat to
"W" on control board "TWO".
I334
UTEC 1012-920 OR WHITE
RODGERS 50A62-101 CONTROL
BOARD
1. Single Stage Operation
(See Figure 21)
a. Control board "ONE" is on
furnace connected to the
thermostat.
b. The 24 VAC supply to both
control boards must be in phase
with each other.
c. Connect the "C," "W" and
"TWIN" terminals to
counterparts on each control.
d. Both control boards must have
switch #3 in the "ON" position.
e. Control board "ONE" must have
the switch #4 in the "1st" stage
position. The other control
board must have switch #4 in
the "2nd" position for single or
two stage heat operation.
2. Two Stage Operation
(See Figure 22)
a. Follow above instructions.
Switch #4 on control board
"TWO" must be in "2nd" stage
position (i.e. control board #2
must be the 2nd stage).
b. Connect "W2" on thermostat to
"W" on control board "TWO".
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