Carrier 30HX PRO Especificaciones Pagina 15
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DESCRIPTION OF OPERATING MODES (ITEM 1 OF THE INFORMATION MENU)
MODE # MODE NAME
7 Delay at start-up active
8 2nd cooling setpoint active
9 Setpoint reset active
10 Demand limit active
11 Ramp loading active
12 Low entering water temperature
protection in heating mode
13,14 Low suction temperature protection
15,16 Low discharge superheat protection
17,18 High pressure protection
19,20 High current protection
21 Heat reclaim active
22 Evaporator heater active
23 Evaporator pump reversal active
24 Periodic evaporator pump start-up
25 Low night-time capacity
26 Unit under SM control
27 Master/slave link active
DESCRIPTION
The delay at start-up operates after the unit has been switched on. If the delay has not expired, the mode is active.
The delay is configured in the User1 configuration menu.
The second cooling setpoint is active. See section 5.7.1
In this mode, the unit uses the reset function to adjust the leaving or entering water temperature setpoint. See section
5.7.2.
In this mode, the capacity at which the unit is allowed to operate is limited. See section 5.8.
Ramp loading is active. In this mode, the controlled high or low water temperature value (in °C/min) in heating mode is
limited to a preset value in order to prevent compressor overload. The ramp function must be configured (see User1
configuration menu). The ramp values can be modified (see setpoint menu).
The unit is in heating mode and the temperature of the evaporator leaving water is lower than the lesser of the two
cooling setpoints. A capacity stage is removed. This mode only applies to heat pumps.
13 = circuit A & 14 = circuit B. Protection for evaporator suction low temperature circuit is active. In this mode, circuit
capacity is not authorised to rise if the unit is in cooling mode, and saturated suction temperature in the circuit is lower
than the frost protection threshold.
15 = circuit A & 16 = circuit B.
In this mode the circuit capacity is not authorised to rise.
17 = circuit A & 18 = circuit B. The circuit is in high pressure protection mode because the HP protection threshold
has been exceeded. The circuit capacity is not authorised to rise and any slave compressor can be stopped in order
to prevent a high pressure break.
19 = circuit A & 20 = circuit B. Circuit capacity is not allowed to rise, as the compressor has reached the high current
protection threshold and could be shut down.
Circuit A or circuit B operates in heat reclaim mode and not in standard cooling mode (pumpdown phase is activated).
Mode active if risk of frost exists.
Two evaporator water pumps installed on the unit and pump reversal is active. See section 5.3
The unit is shut down and is started every day at 14:00 hours for 2 seconds. This function must be configured in the
User1 menu. See sections 5.3 and 4.5.7.3.
Unit capacity is limited. The period when this mode starts, as well as the limited capacity in night-time mode are
controlled in Costomer 1 menu.
Unit is under control of a System Manager (FSM or CSM III).
Unit is connected to a secondary unit by a master slave link and either:
- the unit is configured as a master and this master is operating, or
- the unit is configured as a slave and this slave is operating.
4.5.2 - Description of the Temperatures menu
TEMPERATURES MENU [2]
ITEM FORMAT UNITS COMMENTS
0 ±nn.n °C Evaporator entering water temperature
1 ±nn.n °C Evaporator leaving water temperature
2[1] ±nn.n °C Condenser entering water temperature
3[1] ±nn.n °C Condenser leaving water temperature
4[1] ±nn.n °C Reclaim condenser entering water temperature
5[1] ±nn.n °C Reclaim condenser leaving water temperature
6 ±nn.n °C Saturated discharge temperature circuit A
7 ±nn.n °C Saturated suction temperature circuit A
8 ±nn.n °C Discharge gas temperature circuit A
9 ±nn.n °C Discharge superheat temperature circuit A
10 ±nn.n °C Motor temperature A1
11[1] ±nn.n °C Motor temperature A2
12 ±nn.n °C Saturated discharge temperature circuit B
13 ±nn.n °C Saturated suction temperature circuit B
14 ±nn.n °C Discharge gas temperature circuit B
15 ±nn.n °C Discharge superheat temperature circuit B
16 ±nn.n °C Motor temperature B1
17[1] ±nn.n °C Motor temperature B2
18 ±nn.n °C Outdoor temperature
19[1] ±nn.n °C Water loop temperature, master/slave assembly
Legend
1 This item is displayed in certain unit configurations only
2 Access to this menu is read-only.
4.5.3 - Description of the Pressures menu
PRESSURES MENU [2]
ITEM FORMAT UNITS COMMENTS
0 nnnn kPa Discharge pressure circuit A
1 nnnn kPa Suction pressure circuit A
2 nnnn kPa Oil pressure compressor A1
3[1] nnnn kPa Oil pressure compressor A2
4 nnnn kPa Differential oil pressure compressor A1
5[1] nnnn kPa Differential oil pressure compressor A2
6 nnnn kPa Economizer pressure A1
7[1] nnnn kPa Economizer pressure A2
8 nnnn kPa Discharge pressure circuit B
9 nnnn kPa Suction pressure circuit B
10 nnnn kPa Oil pressure compressor B1
11[1] nnnn kPa Oil pressure compressor B2
12 nnnn kPa Differential oil pressure compressor B1
13[1] nnnn kPa Differential oil pressure compressor B2
14 nnnn kPa Economizer pressure B1
15[1] nnnn kPa Economizer pressure B2
16[1] nnnn kPa Remote discharge pressure, circuit A
17[1] nnnn kPa Remote discharge pressure, circuit B
18[1] nnnn kPa Pumpdown pressure, heat reclaim, circuit A
19[1] nnnn kPa Pumpdown pressure, heat reclaim, circuit B
Legend
1 This item is displayed in certain unit configurations only.
2 Access to this menu is read-only
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