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Carrier AQUASNAP 30RB series - Description of the Temperatures Menu; Description of the Pressures Menu; Description of the Setpoints Menu

Carrier AQUASNAP 30RB series
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4.3.6 - DESCRIPTION OF THE TEMPERATURES MENU 4.3.7 - DESCRIPTION OF THE PRESSURES MENU
4.3.8 - DESCRIPTION OF THE SETPOINTS MENU
TEMPERATURES MENU [1]
ITEM FORMAT UNITS COMMENTS
0 ±nn.n °C Heat exchanger entering water temperature
1 ±nn.n °C Heat exchanger leaving water temperature
2 ±nn.n °C Outdoor temperature
3 [1] ±nn.n °C Heat reclaim entering water temperature
(only if heat reclaim option is configured)
4 [1] ±nn.n °C Heat reclaim leaving water temperature
(only if heat reclaim option is configured)
5 ±nn.n °C Saturated condensing temperature, circuit A
6 ±nn.n °C Saturated suction temperature, circuit A
7 ±nn.n °C Suction temperature, circuit A
8 ±nn.n °C Superheat temperature, circuit A
9 ±nn.n °C Saturated condensing temperature, circuit B
10 ±nn.n °C Saturated suction temperature, circuit B
11 ±nn.n °C Suction temperature, circuit B
12 ±nn.n °C Superheat temperature, circuit B
13 [1] ±nn.n °C Saturated condensing temperature, circuit C
(displayed if circuit C exists)
14 [1] ±nn.n °C Saturated suction temperature, circuit C
(displayed if circuit C exists)
15 [1] ±nn.n °C Suction temperature, circuit C
(displayed if circuit C exists)
16 [1] ±nn.n °C Superheat temperature, circuit C
(displayed if circuit C exists)
17,18 ±nn.n °C Defrost temperature
(displayed if unit is in heat pump mode)
17 = circuit A, 18 = circuit B
19 [1] ±nn.n °C Chilled water system temperature. This item is
only displayed when the master/slave option is
configured.
1 This item is displayed in certain unit configurations only
PRESSURES MENU [1]
ITEM FORMAT UNITS COMMENTS
0 nnnn kPa Discharge pressure, circuit A.
Relative pressure.
1 nnn kPa Suction pressure, circuit A.
Relative pressure.
2 nnnn kPa Discharge pressure, circuit B.
Relative pressure.
3 nnn kPa Suction pressure, circuit B.
Relative pressure.
4 nnnn kPa Discharge pressure, circuit C.
Relative pressure.
5 nnn kPa Suction pressure, circuit C.
Relative pressure.
6 [1] ±nnn kPa Vacuum pressure, circuit A.
Only displayed if heat reclaim option is used.
7 [1] ±nnn kPa Vacuum pressure, circuit B.
Only displayed if heat reclaim option is used.
1 This item is displayed in certain unit configurations only.
SETPOINTS MENU [2]
ITEM FORMAT UNITS RANGE
0 ±nn.n °C -28 to 21
1 ±nn.n °C -28 to 21
2 [1] ±nn.n °C -28 to 0
3[1] nnn °C -26.6to60
4 nn.n °C -26.6to60
5 [2] ±nn.n °C 3.8 to 50
6 [2] ±nn.n °C 0 to 46
7[2] nn.n °C 35to60
8 [2] nn.n °C 2.7 to 15
9 nnn % 0 to 100
10 [2] nnn % 0 to 100
11 [2] nnn % 0 to 100
12 [2] ±nn.n °C/min 0.1 to 1.1
13 [2] ±nn.n °C/min 0.1 to 1.1
COMMENTS
This item lets you modify Cooling setpoint 1
This item lets you modifyCooling setpoint 2
This item lets you modify the ice storage setpoint.
This item lets you modify Heating setpoint 1, only displayed for heat pumps.
This item lets you modify Heating setpoint 2, only displayed for heat pumps.
Automatic changeover threshold, cooling mode. This item lets you display and modify the outdoor
temperature threshold at which the unit changes over in cooling mode. Displayed only if the auto cooling/
heating changeover function is selected.
Automatic changeover threshold, heating mode. This item lets you display and modify the outdoor
temperature threshold at which the unit changes over in heating mode. Displayed only if the auto cooling/
heating changeover function is selected and if the unit is a heat pump. The heating threshold must be
3.8°C below the cooling threshold, otherwise the new setpoint will be rejected.
This item lets you display and modify the heat reclaim setpoint.
This item lets you display and modify the heat reclaim dead band.
Demand limit 1 setpoint. Limitation by volt-free contact. This item is used to define the maximum
capacity that the unit is authorised to use, if the demand limit contact(s) activate limit 1. Contact control
depends on the configuration.
Demand limit 2 setpoint. Limitation by volt-free contact. This item is used to define the maximum
capacity that the unit is authorised to use, if the demand limit contact(s) activate limit 2. Contact control
depends on the configuration. Displayed and used only for units with energy management option.
Demand limit 3 setpoint. Limitation by volt-free contact. This item is used to define the maximum
capacity that the unit is authorised to use, if the demand limit contact(s) activate limit 3. Contact control
depends on the configuration. Displayed and used only for units with energy management option.
Cooling ramp loading rate. This parameter is only accessible if the ramp function is validated in the User
Configuration 1 menu. This item refers to the maximum permitted water heat exchanger low temperature
rates (°C/min). When capacity loading is effectively limited by the ramp, mode 7 is active.
Heating ramp loading rate. This parameter is only accessible if the ramp function is validated in the User
Configuration 1 menu. This item refers to the maximum permitted water heat exchanger high temperature
rates (°C/min). When capacity loading is effectively limited by the ramp, mode 7 is active.

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