Home-Resideo HM750 Installation Manual

HM750A1000
5 33-00289EF—03
Fig. 2. Typical HM750 Installation.
Measurements in inches (mm).
240 VAC
M37185
36 (914)
MINIMUM
2 (51) SCREWS
MOUNTING
STEAM
DISTRIBUTION
CONTROLS
PLUMBING
ELECTRICAL
4 (102)
12 (305)
MAIN SUPPLY
L1
L2/N
GND
(OPTIONAL)
HOT
NEUTRAL
GROUND
MAIN SUPPLY
L1
L2/N
GND
(OPTIONAL)
OFF ON
HOT
HOT
GROUND
OFF ON
120 VAC
4 (102)
1 (25)
1 (25)
4 (102)
1 (25) IF WIRED BEFORE MOUNTING.
36 INCHES (914) FOR WIRING ACCESSIBILITY
240VAC
120VAC
HUMIDIPRO
H6062
AIR PROVING
(OR JUMPER)
24VAC
COM
HUM
HUM
AP
AP
Air Proving
Humidistat
1
1
THERMOSTAT OR HUMIDISTAT
3/4 (19) OD
1/4 LDPE
OR COPPER
WATER LINE
ALWAYS INSTALL
A WATER
SHUT-OFF VALVE.
USE 1/2 IN. OD COPPER
TO WITHIN 4 FT (1.2 M)
OF HUMIDIFIER.
AIR PROVING JUMPER COMES
PRE-INSTALLED. REMOVE JUMPER
IF AIR PROVING IS UTILIZED.