MODEL NO.
HUHAA324
DATE CODE
0395
MFG. NO.
VOLTS AC
KILOWATTS
PHASE
60 HZ
208 / 240
2.2 /3
1
MOTOR
CONTROL
VAC
AMP
VAC
208/240
.25
208/240
AIR
MINIMUM MOUNTING CLEARANCE
FLOW
SIDE
BACK
CEILING
FLOOR
HORIZ.
6"
9.5"
2"
7'
VERT.
18"
18"
6"
7'
WARNING: DO NOT TURN LOUVERS ABOVE LEVEL OF THE UNIT.
DISCONNECT POWER BEFORE SERVICING. IF EXTERNAL CONTROL IS
USED, ALSO DISCONNECT EXTERNAL POWER SUPPLY.
MARLEY ENGINEERED PRODUCTS
BENNETTSVILLE, SC 29512
4104-2088-001
NAMEPLATE
774G LISTED
ROOM HEATER
7
IMPORTANT INFORMATION
T
T
MT-1
MT-2
BLACK TO W1
RED TO R
2-STAGE
INTERNAL
THERMOSTAT
MHRT HEAT RECOVERY
THERMOSTAT OR
REMOTE FAN
SWITCH (MRFS-2)
BLACK
RED
RED
BLACK
C
R
W1
W2
F 2
F 1
G
T R
T
S
S
REMOTE SUMMER FAN
SWITCH (MRFS-1)
FAN RELAY
(FOR MRFS-2 AMD MHRT)
SUMMER
FAN
SWITCH
REMOTE SUMMER FAN
SWITCH (HUHAARFS1)
FAN RELAY
FOR (HUHAARFS2 AND HUHAAHRT)
(HUHAAHRT) HEAT RECOVERY
THERMOSTAT OR REMOTE
FAN SWITCH (HUHAARFS2)
HUHAA MT-1
HUHAA MT-2
Figure 5. Control Terminal Board (for Heaters With Contactors)
NOTES:
1. THIS STYLE CONTROL TERMINAL BOARD USED
WITH MODELS EXCEPT HUHAA320, HUHAA324,
HUHAA327, HUHAA520, HUHAA524, HUHAA527.
.2. REMOVE JUMPER W1 TO W2 WHEN 2-STAGE THER-
MOSTAT IS USED.
3. *ONLY ONE OF THESE ACCESSORIES MAY BE
INSTALLED IN A SINGLE HEATER.
4. EXTERNAL LINE VOLTAGE THERMOSTATS SHOULD
BE TREATED AS SINGLE STAGE ONLY.
