Daikin VRV - Page 40

40
OA / Ventilation considerations
Method
Scope Options Entering Air Limits
Connection
Limits
Direct
1. Untreated ventilation
is supplied directly
to the indoor unit
2. Small projects where
low CFM volumes are
low CFM volumes are
required
3. Projects with
budget constraints
4. Suitable for mild
climates
FXMQ
Cooling 57°–77°FWB
1. Units with OA
connection
(Ducted,
Cassettes)
2. Consider
Booster Fan &
OA % scope
FXDQ
FXNQ
FXTQ
Heating 59°F – 80°FDB
FXFQ
FXZQ
FXSQ
FXEQ
Integrated
1. Pretreated
ventilation is
supplied directly
to the indoor unit
2. Small to medium
applications
3. Suitable for
all climates
4. Allows for sharing
load between
ventilation system
and VRV system
VAM Cooling 122°FDB
No Limits
Heating 5°FDB
FXMQ-MF
Cooling
Std Config:
90°FWB
Dedicated
Std Config:
50-100%
Enhanced
Config:
78 (82*)°FWB
Enhanced
Config:
50-130%
Heating
Std Config:
23°FDB
Combined
Std Config:
50-100%
(FXMQ-MF
<=30%)
Enhanced
Config:
59 (50*)°FDB
Enhanced
Config:
50-130%
(FXMQ-MF
<=50%)
Separate (de-coupled)
1. Pretreated ventilation
directly to the space
2. Suitable for all
applications and
climates
3. Allows for sharing
load between
ventilation system
and VRV system
4. Most flexible layout
EKEQFCBA
Cooling 95°FDB
90 - 110%
Heating 50°FDB
DVS
Cooling 115°FDB
50 – 120%
(100%)***
Heating 23°FDB**
Destiny
Vision
Rebel
Maverick
Select options based on
manufacturer guidelines.
Integrate controls where it
makes sense.
Solutions for Ventilation
Ventilation Air % – Rule of Thumb
* Warm Up/Pull Down Operation **-20F with gas heat ***Triple Module