47
Character Codification Description
8,9
Control (continued)
Terminal strip and metal cover
NA
Unit with 1 on/off type three-way
control valve, changeover switch
fan and electric heater cables wired
to a terminal block and protected by
a metal cover (with electric heater
relay).
NB
Unit with 1 on/off type three-way
control valve with flexible water
pipes, changeover switch, fan and
electric heater cables wired to a
terminal block and protected by a
metal cover (with electric heater
relay).
NC
Unit with 1 on/off type three-way
controls valve, changeover switch,
fan and electric heater cables wired to
a terminal block and protected by a
metal cover (without electric heater
relay).
ND
Unit with 1 on/off type three-way
control valve with flexible water
pipes, changeover switch, fan and
electric heater cables wired to a
terminal block and protected by a
metal cover (without electric heater
relay).
Manual speed selector
PA
Unit with manual speed selector
and 1 on/off type two-way control
valve.
PB
Unit with manual speed selector
and 2 on/off type two-way control
valves.
PC
Unit with Maestro controller, 1
on/off type two-way control valve
and electric heater control.
PD
Unit with manual speed selector
and 1 on/off type two-way control
valve with flexible water pipes.
PE
Unit with manual speed selector
and 2 on/off type two-way control
valves with flexible water pipes.
PF
Unit with manual speed selector, 1
on/off type two-way control valve
with flexible water pipes and
electric heater control.
Character Codification Description
8,9
Control (continued)
Manual speed selector
RA
Unit with manual speed selector
and 1 on/off type three-way control
valve.
RB
Unit with manual speed selector
and 2 on/off type three-way control
valves.
RC
Unit with Maestro controller, 1
on/off type three-way control valve
and electric heater control.
RD
Unit with manual speed selector
and 1 on/off type three-way control
valve with flexible water pipes.
RE
Unit with manual speed selector
and 2 on/off type three-way control
valves with flexible water pipes.
RF
Unit with manual speed selector, 1
on/off type three-way control valve
with flexible water pipes and
electric heater control.
Maestro control
BA
Unit with Maestro controller and 1
on/off type two-way control valve.
BB
Unit with Maestro controller and 2
on/off type two-way control valves.
BC
Unit with Maestro controller, 1
on/off type two-way control valve
and electric heater control.
BD
Unit with Maestro controller and 1
on/off type two-way control valve
with flexible water pipes.
BE
Unit with Maestro controller and 2
on/off type two-way control valves
with flexible water pipes.
BF
Unit with Maestro controller, 1
on/off type two-way control valve
with flexible water pipes and
electric heater control.
BG
Unit with Maestro controller, 1
on/off type two-way control valve
and a return air sensor.
BH
Unit with Maestro controller, 2
on/off type two-way control valves
and a return air sensor.