DUOTEC AHV200024 Manuel d'utilisation et d'installation - Page 10

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OWNER'S MANUAL INSTALLATION INSTRUCTIONS

BLOWER MOTOR - CFM

FAN CONTROL BOARD CONFIGURATION

The Fan Control Board can be configured by the installer and should

be operated within its specified CFM range (refer to Table 2). The

ECM motor uses wire selection taps (A through F) to modify

operation determined from a pre-programmed airflow table (refer to

Figure 6 for wire selection and tap identification, and Tables 4 and

7 for airflows). Airflows are based on system size and/or mode of

operation. These airflows are automatically modified as needed in

response to other inputs such as the need for dehumidification, etc.

Table 2

AHV Modular CFM (L/s) Range

Unit Size

Outdoor Unit

Size

AHV08

AHV12

AHV16

AHV20

The AHV unit must be configured to operate properly with all of the

system components that have been installed. To successfully

configure a basic system, move the wire selection tap (as needed) to

the proper pin position.

NOTE: The factory default setting for all selections is the first pin. It

is recommended the installer review each setting (see below and

refer to Figure 6 for wire selection and tap identification).

A. AUXILIARY HEAT KW/CFM (VIOLET WIRE)

Select the CFM range based on the electric heater kW size by using

the Violet wire.

If no heater is installed, this step can be skipped. However, when an

electric heater is applied, move the Violet wire to the proper A, B, C,

D pin selection. Refer to Table 8 for heater range selection. The

heater kW ranges corresponds directly to each pin letter listed in the

table.

The airflow must be greater than the minimum CFM for electric heater

application with the size system installed for safe and continuous

operation. (refer to Tables 4 and 5 for airflow).

NOTE: Airflow marked is the airflow which will be supplied in

emergency heat mode and heating mode on air conditioners when

electric heat is the primary heating source.

In heat pump heating mode when electric heaters are energized, the

ECM motor will run the higher or heat pump heating airflow and

electric heater airflow to ensure safe heater operation. The factory

selection is the largest heater range approved.

CFM

L/s

350 - 1200

165-566

415 - 1600

196-755

540 - 2000

255-944

540 - 2000

255-944

B. OUTDOOR UNIT SIZE (BLUE WIRE)

Select the outdoor unit system size (BTU) by using the Blue wire

(refer to Table 9).The installer needs to properly select the outdoor

unit size to ensure proper airflow delivery of the modular unit. This

selection affects all operational modes (airflow) with the exception

of electric heat modes.

Move the Blue wire to the proper A, B, C, D pin selection. The outdoor

unit size corresponding directly to each pin letter is listed in Table 7.

C. SYSTEM TYPE - AC/HP (ORANGE WIRE)

Select the system type (AC, HP-Comfort, HP-Efficiency) by using the

Orange wire.

•

AC - Air Conditioner selection provides approximately 400 CFM

per ton for greater efficiency and humidity control with the AC/HP

CFM ADJUST set to the nominal (NOM) tap. (To achieve

approximately 460 CFM per ton move tap to (HI) position. Refer

to appropriate airflow tables for exact CFM setting.)

•

HP-COMFORT - Heat Pump Comfort selection provides

approximately 350 CFM per ton for higher than normal heating

air delivery temperature. Provides approximately 350 CFM per

ton cooling airflow for good humidity removal with the AC/HP

CFM ADJUST set to the nominal (NOM) tap.

•

HP-EFF - Heat Pump Efficiency selection provides same airflow

for heating and cooling modes to increase overall HP efficiency;

approximately 400 CFM per ton with the AC/HP CFM ADJUST

set to the nominal (NOM) tap.

D. AC/HP CFM ADJUST

Select the system AC/HP CFM Adjust by using the Black wire. This

selection basically selects; Medium, Low, or High Airflow

•

NOM - provides airflow at rates described above, the AC/HP

ADJUST select is factory set to the nominal (NOM) tap. The

adjust selections HI/LO will regulate airflow supplied for all

operational modes, except non-heat pump heating modes.

•

HI - provides 15% airflow over nominal unit size selected

•

LO - provides 10% airflow below nominal unit size selected.

Adjust selection options are provided to adjust airflow supplied to

meet individual installation needs for such things as noise, comfort,

and humidity removal.

E. ON/OFF DELAY

Select the ON/OFF delay by using the White wire. This selection

basically selects the desired time delay profile.

NOTE: Delay selections are active in cooling and heat pump heating

modes only. Auxiliary heating modes have a one (1) minute off delay

and zero (0) on delay programmed into the ECM motor that cannot

be overridden.

Choose one (1) of four (4) motor operation delays to customize and

enhance system operation as follows.

Selection options are:

1. 0/90: 0 (zero) second on-delay and 90 second off-delay at 100%

airflow (factory setting).

2. 30/90: 30 second on-delay with no airflow and 90 second off-

delay at 100% airflow profile. Used when it is desirable to allow

system coils time to heat-up/cool-down in conjunction with the

airflow.

0/0: 0 (zero) second on-delay option and 0 (zero) second off-

delay. Used for servicing unit or when a thermostat is utilized to

perform delay functions.

4. ENH: Enhanced selection provides a 30 second on-delay with no

airflow followed by 150 seconds at 70% airflow, and 0(zero)

second off-delay for added comfort. This profile will minimize cold

blow in heat pump operation and could enhance system

efficiency.

DUOTEC AIR HANDLER: AHV