Dry-Matic DM07B Manuel - Page 7

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Dry-Matic Installation Instructions

Installation Procedure

Based on the above criteria:

1. Fit Diffuser

joists and roof structure. Use circle template to cut correct sized hole in the

ceiling. Attach duct to grille, taping the centre duct sleeve to the grille spigot

then separately taping the insulation/outer to the spigot. Feed ducting

through the hole and clip diffuser in place using the spring clips. Ensure

grille has a minimum gap of 16mm between inner disk and outer collar.

2. Assembly of Unit

floor.

FAN: Mount fan brackets / hanging lugs to side of fan.

HEATER (on heated models): Fit to inlet of fan using 4 screws provided

(note airflow direction for fan is shown by an arrow on the terminal

cover). Ensure airflow direction arrow on heater is the same as

direction on fan, ensure heater is mounted so marked top is installed

upright.

FILTER BOX: Fit to heater (on heated models), or fit to the fan using the

supplied collar, so that the hanging bracket is on the heater/fan inlet

side. Ensure airflow direction arrow on filter is same as fan.

PRE FILTER: Fit white pre filter bag to inlet of filter box.

3. Pre Wiring

and heater (on heated models). Check wiring diagrams on components

carefully. For 3 speed fans, wire to the high speed (black) wire as indicated

on the fan junction box.

4. Installing in Attic

cup hooks (x2) to roof structure. Clip supplied bungies (x3) to the three

mounting points on assembled unit. Lift unit into position and hook other

end of bungy cords over cup hooks. Attach duct to fan outlet, taping core

and insulation/outer as before. Adjust length of bungies so unit is level and

tighten cable ties to lock unit into position.

5. Mount & Set Attic Controller

framing. For DM01B & DM07B models, set the top Summer Off" thermostat

to 27°C, and the lower "Hi/Lo"(for DM01B) or "Heater" (for DM07B)

thermostat to 15°C.

6. Power Supply

(by registered electrician).

7. Check Operation

DM01B & DM07B - Operating Instructions, Installation Instructions, Wiring diagrams June 2017

Before cutting hole for diffuser, check that it will clear ceiling

It is suggested that this is done in a clear space on the

Using supplied flying leads, connect attic control unit to fan

Lift assembled unit into attic space. Fit supplied

Connect a power supply to attic controller isolating switch

check the unit is operating correctly.

Mount vertically, can be fixed to the timber

(continued)