GeneralAire 900 SERIES Elite - Manuel (Page 2)

Connect 1/4" water supply tube to brass filter at inlet of solenoid. DO
NOT USE PLASTIC TUBING IN CONTACT WITH ANY HOT PLENUM
SURFACE OR DUCT. IF USING PLASTIC TUBING, USE TUBE INSERT
P189 AND PLASTIC COMPRESSION SLEEVE P190 (AVAILABLE AS
PART OF ASSEMBLY 747-38 TUBING KIT).
Turn damper knob to winter (open) position. Turn on water supply and check
operation of humidifier. Set humidistat to a demand setting. With the furnace
off, the solenoid valve should be closed. Start the furnace, the solenoid valve
should open when the blower or burner circuit is energized. Check flow of
water through distributor trough and evaporator pad. The standard GA4231
(YELLOW) orifice will supply approximately 3.5 GPH of water at a line water
pressure of 60 psi. For low water pressures (20-40 psi) a larger (ORANGE)
orifice GA4299 is available to provide the same flow. Leave humidistat set at
the recommended setting.
6
Connect drain hose to 1/2" spout on humidifier cabinet using hose clamp.
Run 1/2" hose to suitable drain such as floor drain, sewer or laundry sink.
Be sure hose has continuous slope and is not kinked at any point.
5
WIRE JUMPER
7A
7C
7B
7D
7
(HOT)
115v.
60CY. ON-OFF SWITCH
COMMON LEAD
FURNACE
C
HI
LO
GA50
CURRENT
SENSING
RELAY
MULTI
SPEED
BLOWER
MOTOR
AC L
AC N
HUM
SNSR
24V. SOLENOID VALVE
727-58 24 V. TRANSFORMER
(HOT)
C
115v.
60CY.
ON-OFF SWITCH
AC L
AC N
HUM
SNSR
24V. SOLENOID VALVE
727-58 24 V. TRANSFORMER
L1
C NO
(HOT)
L2
115v.
60CY.
ON-OFF SWITCH
12500 AIR
PRESSURE SWITCH
AC L
AC N
HUM
SNSR
24V. SOLENOID VALVE
727-58 24 V. TRANSFORMER
R
FURNACE
CONTROL BOARD
C
24v.
60CY. AC L
AC N
HUM
SNSR
24V. SOLENOID VALVE
FURNACE
BOARD
W
WIRE JUMPER
OUTDOOR TEMP. SENSOR
OUTDOOR TEMP. SENSOR
OUTDOOR TEMP. SENSOR
OUTDOOR TEMP. SENSOR
N
W 24v.
60CY.
ACC
EAC
(HOT)
C
115v.
60CY.
ON-OFF SWITCH
COMMON LEAD
FURNACE
C
HI
LO
GA50
CURRENT
SENSING
RELAY
MULTI
SPEED
BLOWER
MOTOR
24V. SOLENOID VALVE
HUMIDISTAT
24 V. TRANSFORMER
(HOT)
C
115v.
60CY.
ON-OFF SWITCH
24V. SOLENOID VALVE
24V. SOLENOID VALVE
24 V. TRANSFORMER
L1
C
NO
(HOT)
L2
115v.
60CY.
ON-OFF SWITCH 12500 AIR
PRESSURE SWITCH 24 V. TRANSFORMER
HUM
FURNACE
CONTROL BOARD
C
24v.
60CY.
24V. SOLENOID VALVE
HUMIDISTAT
HUMIDISTAT
HUMIDISTAT
FURNACE
BOARD
7E
7G
7F
7H
7A-7D Electronic Humidistat
7A - To furnace control board 24 volts
7B - To constant power using 24V transformer and pressure switch
7C - To furnace control board 115 volts with 24V transformer
7D - To constant power using 24V relay and current sensing relay
7E-7H Manual Humidistat
7E - To furnace control board 24 volts
7F - To constant power using 24V transformer and pressure switch
7G - To furnace control board 115 volts with 24V transformer
7H - To constant power using 24V relay and current sensing relay
WIRE
JUMPER
WIRE
JUMPER
WIRE
JUMPER
3/4” TEE
1/2” TEE
GCV3412 CODE VALVE INSTALLATION INSTRUCTIONS
Copper Pipe
1. Turn off water supply.
2. Clean pipe, fittings and valve with sandpaper or wire brush.
3. Apply a thin layer of flux to all surfaces to be soldered.
4. Assemble valve to pipe and/or fittings.
5. Cooling the valve by wrapping a wetted rag around the valve is
optional.
6. Heat the joints with a torch. Apply solder to each joint. Continue to
apply heat sufficient to keep solder liquid.
7. After solder has filled entire joint area, remove heat and allow joint
to cool. Do not move or disturb.
8. Slide compression nut over 1/4” copper tube followed by
compression sleeve.
9. Insert tube into valve fully and tighten nut.
10. Turn on water supply and check for leaks.
*CODE VALVE IS INCLUDED WITH AUTOMATIC MODELS ONLY