HC-20_US.qxd 14.7.1 9:13 ページ 2
SECTION B:
UNPACKING
1. Unpack the unit carefully.
2. Check to see if there are any loose screws that may have occurred in transit.
3. Take accessories and the instruction manual out of the carton.
1. Installation and Operation Instructions
2. Warranty Card
3. Wall Fixing Kit (Wall bracket – 2 sets, Screw – 2 pcs., Wooden screw – 2 pcs.)
28 - 3/8" (720 mm)
Operation panel
Louvers
Heat exchanger
UNPACKING
ACCESSORY PARTS
DIMENSIONAL OUTLINE
Air release screw
7 - 3/16"
(182 mm)
Front panel
Thermistor
7 - 3/16"
(Room Temperature)
(182 mm)
1-9/16" (40 mm)
Main circuit board
Transformer
Thermistor
(Water Temperature)
Fan moter
Fan
External output
(for circulation control or zone valve)
90˚
Junction box
Water return
9/16"
(NPT 1/2 female)
(15 mm)
Water supply
(NPT 1/2 female)
1-13/16" (46 mm)
Air filter
2