ClimateMaster Tranquility Wartungshandbuch PDF herunterladen (Seite 36)

ClimateMaster Water-Source Heat Pumps

CLIMATEMASTER WATER-SOURCE HEAT PUMPS

Tranquility

Compact (TC) Series

Rev.: 02/06/15

DXM Control - For detailed control information, see

CXM AOM (part # 97B0003N12), DXM AOM (part

#97B0003N13), Lon controller AOM (part #97B0013N01)

or MPC AOM (part # 97B0031N01).

-Slow Flash = 1 ﬂ ash every 2 seconds

-Fast Flash = 2 ﬂ ashes every 1 second

-Flash code 2 = 2 quick ﬂ ashes, 10 second pause, 2 quick

ﬂ ashes, 10 second pause, etc.

-On pulse 1/3 second; off pulse 1/3 second

Field Selectable Inputs - Test mode: Test mode allows

the service technician to check the operation of the

control in a timely manner. By momentarily shorting the

test terminals, the DXM control enters a 20 minute test

mode period in which all time delays are sped up 15

times. Upon entering test mode, the status LED will ﬂ ash

a code representing the last fault. For diagnostic ease at

the thermostat, the alarm relay will also cycle during test

mode. The alarm relay will cycle on and off similar to the

status LED to indicate a code representing the last fault,

at the thermostat. Test mode can be exited by shorting

the test terminals for 3 seconds.

Retry mode: If the control is attempting a retry of a fault,

the status LED will slow ﬂ ash (slow ﬂ ash = one ﬂ ash every

2 seconds) to indicate the control is in the process of

retrying.

Field Conﬁ guration Options - Note: In the following

ﬁ eld conﬁ guration options, jumper wires should be

clipped ONLY when power is removed from the

DXM control.

Water coil low temperature limit setting: Jumper 3 (JW3-

DXM Controls

Table 5: DXM LED And Alarm Relay Operations

FP1 Low Temp) provides ﬁ eld selection of temperature

limit setting for FP1 of 30°F or 10°F [-1°F or -12°C]

(refrigerant temperature).

Not Clipped = 30°F [-1°C]. Clipped = 10°F [-12°C].

Air coil low temperature limit setting: Jumper 2 (JW2-

FP2 Low Temp) provides ﬁ eld selection of

temperature limit setting for FP2 of 30°F or

10°F [-1°F or -12°C] (refrigerant temperature).

Note: This jumper should only be clipped

under extenuating circumstances, as

recommended by ClimateMaster technical

services.

Not Clipped = 30°F [-1°C]. Clipped = 10°F

[-12°C].

Alarm relay setting: Jumper 4 (JW4-AL2 Dry)

provides ﬁ eld selection of the alarm relay

terminal AL2 to be jumpered to 24VAC or to

be a dry contact (no connection).

Not Clipped = AL2 connected to R.

Clipped = AL2 dry contact (no connection).

Low pressure normally open: Jumper 1 (JW1-LP norm

open) provides ﬁ eld selection for low pressure input to

be normally closed or normally open.

Not Clipped = LP normally closed. Clipped = LP normally

open.

DIP Switches - Note: In the following ﬁ eld conﬁ guration

options, DIP switches should only be changed when

power is removed from the DXM control.

DIP Package #1 (S1) - DIP Package #1 has 8 switches and

provides the following setup selections:

1.1 - Unit Performance Sentinel (UPS) disable: DIP Switch

1.1 provides ﬁ eld selection to disable the UPS feature.

On = Enabled. Off = Disabled.

1.2 - Compressor relay staging operation: DIP 1.2

provides selection of compressor relay staging operation.

The compressor relay can be selected to turn on with

a stage 1 or stage 2 call from the thermostat. This

is used with dual stage units (2 compressors where

2 DXM controls are being used) or with master/

slave applications. In master/slave applications,

each compressor and fan will stage according to

its appropriate DIP 1.2 setting. If set to stage 2, the

compressor will have a 3 second on-delay before

energizing during a Stage 2 demand. Also, if set for stage

2, the alarm relay will NOT cycle during test mode.

On = Stage 1. Off = Stage 2.

1.3 - Thermostat type (heat pump or heat/cool): DIP 1.3

Description of

Operation

Status LED

(green)

Test LED

(yellow)

Fault LED

(red)

Alarm Relay

Normal mode On - Off Open

Normal mode with UPS On - Flashing Code 8

Cycle (closed 5 sec,

open 25 sec)

DXM is non-functional Off Off Off Open

Fault Retry Slow Flash - Flashing fault code Open

Lockout Fast Flash - Flashing fault code Closed

Test Mode -On - -

Night Setback Flashing Code 2 - - -

ESD Flashing Code 3 - - -

HP Fault Slow Flash - Flashing Code 2 Open

LP Fault Slow Flash - Flashing Code 3 Open

LT1 Fault Slow Flash - Flashing Code 4 Open

LT2 Fault Slow Flash - Flashing Code 5 Open

CO Fault Slow Flash - Flashing Code 6 Open

Over/Under Voltages Slow Flash - Flashing Code 7

Open (closed after 15

minutes)

Invalid T-stat Inputs Flashing Code 4 - - -

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 59 60

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