Application Scheme; Unit Description; Box Content - Carrier 80HMA-9001 Manual De Instalación

Application scheme

See pic. 1:
1. Heat pump
2. Comfort Module
3. Kit 2 Zones
4. Manometers
5. Ball valves
6. Water filter
7. Filling system valve
8. Auto purge air valve (put in the highest positions of the
hydraulic circuit)
9. Water discharge valve (put in the lowest positions of the
hydraulic circuit)
Z1. Zone 1 user terminals
Z2. Zone 2 user terminals
Terminals
Terminals can be of the following types:
• floor circuit
• fan coils
• radiators
• low temperature radiators
Different terminals have different water temperature
requirements.
2 zone kit allows to use, at the same time, terminals with
different water temperature requirements.

Unit description

See pic. 3:
1. Leaving water temperature sensor (zone 1)
2. Water pump (zone 1)
3. 3 way valve and actuator (zone 1)
4. Collector
5. Tank water temperature sensor

Box content

See pic. 4:
 2 zone kit
 User interface
 2 zone kit installation manual
 Safety information manual
 User interface manual
2
80HMA - 9001
Room temperature control
Different terminals (T1, T2...Tn) can be placed in a single
room or in multiple rooms.
Each of them can have a thermostat, to stop the terminal
when a certain temperature is reached.
It is possible to control up to 2 rooms (placed in different
zones), with user interfaces or a thermostats connected to
the unit.
In each zone, the controlled room should be the one with
the highest heating/cooling requirements.
It's possible to connect for each zone:
- user interface
- thermostat A
- thermostat B
- nothing (controlled in remote by virtual zone)
(NOTE: see paragraph "input" for thermostat type A/B.
See virtual zoning features on user interface manual)
It is suggested to place a thermostat on terminals placed in
rooms with significantly different thermal requirements.
It is recommended to control the room with the user
interface; this way the control adjusts water temperature
to meet the setpoint and comfort and energy efficiency are
optimized.
If no user interface is used:
• if thermostats are used, set climatic curves slightly higher
in heat mode and slightly lower in cool mode.
• if no thermostats are used (temperature requirements
should be similar for all rooms), climatic curves must be
set exactly right for both heating and cooling operation.
6. Pressure switch
7. Drain valve
8. Water pump (zone 2)
9. Control box
10. Electronic board
11. Terminal block
12. Drain pipe. Don't connect tap to this pipe. It used to
drain water from pressure release too